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WorksheetsPATHOGEN AND DISEASES
Total questions: 75
Worksheet time: 39mins
Which of the following can be pathogens?
Bacteria only
Viruses only
Bacteria and viruses
Neither bacteria or viruses
Infectious diseases are caused by _________ in the body.
pathogens
decomposers
Which pathogen is non-living?
Virus
Bacteria
Fungi
Parasite/Protist
They are all alive
Which type of pathogen is responsible for causing the flu, chicken pox, and yellow fever?
viruses
parasites
fungi
bacteria
Which pathogen is treated with antibiotics?
virus
bacteria
parasite
fungi
A microbe that can cause harm is known as a
Pathogen
Pathogon
Virus
Bacteria
What is a first line defense?
Barries within our body which form the immune system.
When the pathogens gets through the external defenses, and the body's response leads to healing
The response from our body when a pathogen gets inside our body.
Physical and chemical barriers which prevent disease-causing pathogens enter your body.
An example of a first line defense are the immune cells.
What is your skin considered as?
Skin is considered as a second and third line defense barrier.
Skin is considered as a large cell which helps destroy pathogens.
Skin is considered a biochemical barrier of the first line defense system.
Skin is considered as a part of the immune system.
Skin is considered as first line defense barrier.
What are saliva, tears, mucus and sweat considered to be?
They are considered to be second and third line defense barrier.
They are considered to be substances which helps destroy pathogens.
They are considered to be biological barriers of the first line defense system.
They are considered to be a part of the immune system.
They are all a part of the lymphatic organs.
Which structure/s take part in the reflex movements and secretions which remove pathogens from body openings?
Phagocyte cells
Skin (epithelial cells).
Cilia and mucus.
Lymphocyte cells
White blood cells
What would you consider to be the purpose of the body's defense system?
To produce pathogens and enable them to multiply.
To only destroy pathogens in the body.
To only stop pathogens from getting into our body.
To provide space for pathogens to move within our body.
To stop pathogens getting into the body and destroy pathogens inside the body.
Which of the following are the pathway of pathogens could enter our body? (4 answers)
Respiratory system
Digestive system
Skin
Excretory system
Nervous system
Which of the following are involved in the first line of defence?
Skin
Acid in the stomach
Sweat and sebum oil
Tears and ear wax
White blood cell
Antibody
Protein released by lymphocytes that immobilises pathogens
Chemical released by lymphocytes that neutralises toxins
Chemical marker on the surface of cells
Type of medicine prescribe for bacterial infections
Antibiotic
Protein released by lymphocytes that immobilises pathogens
Chemical released by lymphocytes that neutralises toxins
Chemical marker on the surface of cells
Type of medicine prescribe for bacterial infections
Pathogen
A type of micro-organism that invades the body
A type of micro-organism that can only survive within the body
A type of micro-organism that causes no harm
A type of micro-organism that causes a diseases
Infection
Bacterial growth
Presence of micro-organism on or in the body
Culture of micro-organisms in or on the body
Invasion and growth of micro-organisms inside/ on the body that cause communicable disease
Phagocytes
Type of white blood cell that engulfs and digests pathogens
Type of white blood cell that produces antibodies and antitoxins
Type of red blood cell that fights infections
Macrophages, neutraphils, eosinophils and basophils
Virus
Type of pathogen that invades host cell
Type of pathogen which causes malaria
Type of pathogen which releases toxins
Type of pathogen that causes rose black spot
Protist
Type of pathogen that invades host cell
Type of pathogen which causes malaria
Type of pathogen which releases toxins
Type of pathogen that causes rose black spot
Sabrina has the flu. Her neighbor suggests she get a prescription for an antibiotic, but Sabrina's mothers says that antibiotics would not help in this situation. Why?
the flu is caused by a virus, and it cannot be treated with an antibiotic.
the flu is caused by a fungus, and it must be treated with antifungal medication
the flu is caused by a parasitic worm, and must be treated with an anti-parasitic medication
the flu is caused by a bacterium, and it cannot be treated with an antibiotic.
Which pathogen is treated with antibiotics?
virus
bacteria
parasite
fungi
HIV can be spread by (select all that are correct)
Food
Sexual Intercourse
Blood
Droplets
Gonorrhoea can be spread by (select all that are correct)
Food
Sexual Intercourse
Blood
Droplets
Salmonella can be spread by (select all that are correct)
Food
Sexual Intercourse
Blood
Droplets
Which of the following is not a communicable disease?
Measles
Mumps
Rubella
Scurvy
Which of the following are not usually added to agar medium for bacterial growth?
carbohydate
mineral ions
protein
lipids
Why do bacteria need carbohydrate for growth?
As an energy source
To make proteins
To make lipids
To provide vitamins
At what temperature are cultures grown in the school laboratory?
25 degrees C
30 degrees C
35 degrees C
40 degrees C
What do we call the dish we grow bacteria in?
Petri dish
Perti dish
Petria dish
Purti dish
Bacteria divide by splitting in to two. This is known as..
Binary fission
Binary fusion
Sensory fission
Nuclear fusion
Which of the following is not a common way that pathogens spread?
By air
By water
By contact
By poor diet
Which of the following will not reduce the spread of disease?
Washing your hands after using the toilet
Using a tissue when you sneeze
Washing chicken before cooking it
Using hand sanitizer
If a patient has a serious infectious disease, to reduce the spread to others a hospital would..
Isolate the patient
Give the patient paracetamol
Give the patient anithistamine
Send the patient home
________ is a disease that can be passed to a person from another person or animal or object.
Non-communicable disease
Communicable Disease
Pathogens
The system in our body that helps fight disease is called the ________________ system.
respiratory
digestive
muscular
immune
Which 3 diseases are communicable diseases (contagious)?
common cold
allergies
influenza (flu)
coronavirus
asthma
Which of these lists have Non-Communicable diseases (NOT Contagious)? Choose 2
asthma, allergies, gum disease
chickenpox, pink eye, smallpox
diabetes, obesity, cancer, heart disease
Non communicable diseases are mainly caused due to
improper hygiene
an improper lifestyle
entry of pathogens in our body
all of the above
Anybody with weak resistance or immunity against disease.
susceptible host
mode of exit
mode of transmission
Bacteria and viruses experience frequent genetic mutations and evolution, this is due to their ability to _______________ quickly.
Move
Reproduce
Excrete
Respire
What is formula to count the zone of inhibition of growing bacteria?
22α
πα2
πr2
πr
Some examples of external defenses are...
Skin
Mucus
Inflammation
Saliva
Sweat
The purpose of introducing weakened microbes into the body of an organism is to stimulate the
production of living microbes that will protect the organism from future attacks
production of antigens that will prevent infections from occurring
immune system to react and prepare the organism to fight future invasions by these microbes
replication of genes that direct the synthesis of hormones that regulate the number of microbes
What is herd immunity
When everyone is vaccinated.
A form of immunity that occurs when the vaccination of a significant portion of a population provides a measure of protection for individuals who have not developed immunity.
When all of a group of farm animals have been immunised.
When a disease spreads throughout a population.
All include pathogens EXCEPT for__________________.
Bacteria
Toxins
Viruses
Fungi
Protists
In which response are antibodies produced faster?
Primary immune response
Secondary immune response
Which cells are not involved in antibody production during the primary immune response?
Lymphocytes
Memory cells
Plasma cells
White blood cells
How do phagocytes defend the body against microbes?
Ingest bacteria
Produce antibodies
Produce antitoxins
Clot the blood
What is an antigen?
A protein produced by a lymphocyte
A type of pathogen
A protein on a pathogen that stimulates an immune response
A protein produced by a phagocyte
Infectious diseases can spread by contact with
an infected person
a contaminated object
an Infected animal
an environmental source
All of the above.
What is the smallest pathogen?
protist
bacteria
virus
fungi
If you want to stay well, which of these should you do?
exercise regularly
eat a balanced diet
get enough sleep
all of these
The diagram below shows a cell in the human body engulfing a bacterial cell.
The cell labeled X is most likely a
red blood cell
white blood cell
liver cell
nerve cell
Bacteria enter the body
grow and release toxins
release toxins
grow, multiply, and release toxins
release toxins but generally do not multiply
First-line defence mechanisms in humans include
development of fever.
the action of phagocytes.
the use of antibiotics.
the presence of cilia on some cells.
Malaria is a common disease in many countries. What type of pathogen is malaria?
a virus
a bacterium
a fungus
a protist
What are two examples of chemical barriers?
Lysozyme enzyme in our tears
Skin
White Blood Cells
Stomach Acid
Foreign cells in the body carry foreign proteins that the body recognises as 'non-self'. These are called:
Antibodies
Antigens
Red Blood Cells
White Blood Cells
The diagram shows a pathogen, what is the arrow pointing to on the surface of the pathogen?
a molecule called an antigen
a molecule called an antibody
The diagram shows one way the body defends itself against pathogens.
What is the name of this defence mechanism?
antibody production
egestion
phagocytosis
vaccination
Which of the following is true about vaccines?
they treat bacterial infections
they are the same as antibiotics
their purpose is for your body to create antibodies against a pathogen before getting infected with it
they are only effective against fungi
